CN112666227A - Full-automatic hydrogen conductivity detection and diagnosis device - Google Patents
Full-automatic hydrogen conductivity detection and diagnosis device Download PDFInfo
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- CN112666227A CN112666227A CN202110044988.1A CN202110044988A CN112666227A CN 112666227 A CN112666227 A CN 112666227A CN 202110044988 A CN202110044988 A CN 202110044988A CN 112666227 A CN112666227 A CN 112666227A
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Abstract
The invention discloses a full-automatic hydrogen conductivity detection and diagnosis device, which comprises a first three-way valve, a second three-way valve, a demineralized water pipeline, an industrial hydrochloric acid pipeline, a pipeline mixer, a regenerated liquid preparation box, a first four-way valve, a second four-way valve, an upper resin exchange column, a lower resin exchange column, a water sample input pipeline, an electrically regenerated ion exchanger, a liquid discharge pipeline, a water discharge pipeline and a control system.
Description
Technical Field
The invention belongs to the field of monitoring of water vapor quality of a generator set or steam power equipment, and relates to a full-automatic hydrogen conductivity detection and diagnosis device.
Background
The hydrogen conductivity index reflects the total amount of anions in a water sample, and is one of the core indexes for monitoring the water vapor quality of a generator set and a steam power device. Conventional hydrogen conductivity meters employ ion exchange columns to remove cations, and when the resin fails, the operator needs to regenerate or replace the resin.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a full-automatic hydrogen conductivity detection and diagnosis device which can realize the measurement of hydrogen conductivity in a full-automatic manner and simultaneously realize the continuous treatment of water samples.
In order to achieve the aim, the full-automatic hydrogen conductivity detection and diagnosis device comprises a first three-way valve, a second three-way valve, a demineralized water pipeline, an industrial hydrochloric acid pipeline, a pipeline mixer, a regenerated liquid preparation box, a first four-way valve, a second four-way valve, an upper resin exchange column, a lower resin exchange column, a water sample input pipeline, an electrically regenerated ion exchanger, a liquid drainage pipeline, a drainage pipeline and a control system;
three openings of the first three-way valve are respectively communicated with an outlet of a desalted water pipeline, an outlet of an industrial hydrochloric acid pipeline and an inlet of a pipeline mixer, an outlet of the pipeline mixer is communicated with an inlet of a regenerated liquid preparation box, four openings of the first four-way valve are respectively communicated with an outlet of the regenerated liquid preparation box, an outlet of a flushing water pipeline, an inlet of the top of an upper column of a resin exchange column and an inlet of the top of a lower column of the resin exchange column, four openings of the second four-way valve are respectively communicated with an outlet of a water sample input pipeline, an inlet of an electric regeneration ion exchanger, an inlet of the top of the upper column of the resin exchange column and an inlet of the top of the lower column, three openings of the second three-way valve are respectively communicated with a regeneration liquid drainage and flushing liquid drainage outlet at the bottom of the upper column of the resin exchange column and a regeneration liquid drainage and flushing liquid drainage outlet at the bottom of the lower column of the resin exchange column and a liquid drainage pipeline; and four openings of the second four-way valve are respectively communicated with an outlet at the bottom of the electric regeneration ion exchanger, a water outlet at the bottom of the upper column of the resin exchange column, a water outlet at the lower column of the resin exchange column and an inlet of a water drainage pipeline, wherein the water drainage pipeline is communicated with a hydrogen conductivity meter for detecting the hydrogen conductivity of water in the water drainage pipeline, and the control system is connected with the hydrogen conductivity meter, the first three-way valve, the second three-way valve, the first four-way valve and the second four-way valve.
And a lower liquid level detector and an upper liquid level detector are arranged in the regenerated liquid preparation box and are connected with the control system.
An outlet of the pipeline mixer is provided with an acidity detector which is connected with a control system.
An upper column regeneration end point detector is arranged on the upper side of the upper column of the resin exchange column, an upper column failure end point detector is arranged on the lower side of the upper column of the resin exchange column, and the upper column regeneration end point detector and the upper column failure end point detector are connected with a control system.
And a lower column regeneration end point detector is arranged on the upper side of the lower column of the resin exchange column, a lower column failure end point detector is arranged on the lower side of the lower column of the resin exchange column, and the lower column regeneration end point detector and the lower column failure end point detector are connected with a control system.
A clapboard is arranged between the lower column of the resin exchange column and the upper column of the resin exchange column.
The invention has the following beneficial effects:
the full-automatic hydrogen conductivity detection and diagnosis device comprises an upper resin exchange column and a lower resin exchange column, and adopts a working mode of one standby, namely when the upper resin exchange column processes a water sample, the lower resin exchange column is regenerated and washed, when the lower resin exchange column processes the water sample, the upper resin exchange column is regenerated and washed, and simultaneously, under extreme conditions, when the lower resin exchange column and the upper resin exchange column fail simultaneously, a water sample is processed by an electrically regenerated ion exchanger, and in addition, the processed water sample is subjected to hydrogen conductivity measurement by a hydrogen conductivity meter, so that the full-automatic measurement of the hydrogen conductivity and the continuous processing of the water sample are realized.
Furthermore, an upper column regeneration end point detector is arranged on the upper side of the upper column of the resin exchange column, an upper column failure end point detector is arranged on the lower side of the upper column of the resin exchange column, a lower column regeneration end point detector is arranged on the upper side of the lower column of the resin exchange column, and a lower column failure end point detector is arranged on the lower side of the lower column of the resin exchange column, so that detection of resin failure points and regeneration points is realized, and automatic control over regeneration of the upper column of the resin exchange column and the lower column of the resin exchange column and water sample treatment is realized.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of the upper column 6 of the resin exchange column for treating a water sample and the lower column 7 of the resin exchange column for regenerating;
FIG. 3 is a schematic structural diagram of the upper column 6 of the resin exchange column for treating a water sample and the lower column 7 of the resin exchange column for washing;
FIG. 4 is a schematic structural diagram of the upper column 6 of the resin exchange column for treating a water sample and the lower column 7 of the resin exchange column for standby;
fig. 5 is a schematic diagram of the structure of the electrically regenerated ion exchanger 12 when treating a water sample.
Wherein, 1 is a regenerated liquid preparation box, 2 is a lower liquid level detector, 3 is a pipeline mixer, 4 is an acidity detector, 5 is an upper liquid level detector, 6 is an upper column of a resin exchange column, 7 is a lower column of the resin exchange column, 8 is an upper column regeneration end point detector, 9 is an upper column failure end point detector, 10 is a lower column regeneration end point detector, 11 is a lower column failure end point detector, 12 is an electric regeneration ion exchanger, and 13 is a control system.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings:
referring to fig. 1 to 5, the full-automatic hydrogen conductivity detection and diagnosis apparatus according to the present invention includes a first three-way valve, a second three-way valve, a demineralized water pipeline, an industrial hydrochloric acid pipeline, a pipeline mixer 3, a regenerated liquid preparation tank 1, a first four-way valve, a second four-way valve, an upper resin exchange column 6, a lower resin exchange column 7, a water sample input pipeline, an electrically regenerated ion exchanger 12, a liquid discharge pipeline, a water discharge pipeline, and a control system 13; three openings of the first three-way valve are respectively communicated with an outlet of a desalted water pipeline, an outlet of an industrial hydrochloric acid pipeline and an inlet of a pipeline mixer 3, an outlet of the pipeline mixer 3 is communicated with an inlet of a regenerated liquid preparation box 1, four openings of the first four-way valve are respectively communicated with an outlet of the regenerated liquid preparation box 1, an outlet of a flushing water pipeline, an inlet at the top of an upper column 6 of a resin exchange column and an inlet at the top of a lower column 7 of the resin exchange column, four openings of the second four-way valve are respectively communicated with an outlet of a water sample input pipeline, an inlet of an electrically regenerated ion exchanger 12, an inlet at the top of an upper column 6 of the resin exchange column and an inlet at the top of a lower column 7, three openings of the second three-way valve are respectively communicated with a regeneration liquid drainage and flushing liquid drainage outlet at the bottom of the upper column 6 of the resin exchange column and a regeneration liquid drainage and flushing liquid drainage outlet at the bottom of the lower column 7 of the resin exchange column and a liquid drainage pipeline; four openings of the second four-way valve are respectively communicated with an outlet at the bottom of the electrically regenerated ion exchanger 12, a water outlet at the bottom of the upper column 6 of the resin exchange column, a water outlet of the lower column 7 of the resin exchange column and an inlet of a drainage pipeline, wherein the drainage pipeline is communicated with a hydrogen conductivity meter for detecting the hydrogen conductivity of water in the drainage pipeline, and the control system 13 is connected with the hydrogen conductivity meter, the first three-way valve, the second three-way valve, the first four-way valve and the second four-way valve.
A lower liquid level detector 2 and an upper liquid level detector 5 are arranged in the regenerated liquid preparation box 1, and the lower liquid level detector 2 and the upper liquid level detector 5 are connected with a control system 13; an acidity detector 4 is arranged at the outlet of the pipeline mixer 3, and the acidity detector 4 is connected with a control system 13.
An upper column regeneration end point detector 8 is arranged on the upper side of the upper column 6 of the resin exchange column, an upper column failure end point detector 9 is arranged on the lower side of the upper column 6 of the resin exchange column, and the upper column regeneration end point detector 8 and the upper column failure end point detector 9 are connected with a control system 13; a lower column regeneration end point detector 10 is arranged on the upper side of the lower column 7 of the resin exchange column, a lower column failure end point detector 11 is arranged on the lower side of the lower column 7 of the resin exchange column, and the lower column regeneration end point detector 10 and the lower column failure end point detector 11 are connected with a control system 13; a partition plate is arranged between the lower column 7 of the resin exchange column and the upper column 6 of the resin exchange column.
The specific working process of the invention is as follows:
the cation exchange column is divided into a lower resin exchange column 7 and an upper resin exchange column 6, wherein the lower resin exchange column 7 and the upper resin exchange column 6 adopt a spare-use working mode, and the performance of the resin is judged according to the color of the resin by an upper column regeneration end point detector 8, an upper column failure end point detector 9, a lower column regeneration end point detector 10 and a lower column failure end point detector 11, and the upper resin exchange column 6 is explained as follows:
demineralized water and industrial hydrochloric acid are mixed by a pipeline mixer 3 and then enter a regenerated liquid preparation box 1, under normal conditions, a water sample enters an upper column 6 of a resin exchange column for treatment and then enters a drainage pipeline, the color of the lower side of the upper column 6 of the resin exchange column is detected by an upper column failure end point detector 9 to judge whether the upper column 6 of the resin exchange column fails, when the upper column 6 of the resin exchange column fails, the water sample is switched to a lower column 7 of the resin exchange column, regenerated liquid in the regenerated liquid preparation box 1 is simultaneously introduced into the upper column 6 of the resin exchange column to regenerate the upper column 6 of the resin exchange column, an upper column regeneration end point detector 8 detects the color of the upper side of the upper column 6 of the resin exchange column to judge whether the regeneration of the upper column 6 of the resin exchange column is finished, when the regeneration of the upper column 6 of the resin exchange column is finished, the regenerated liquid is switched and flushing water is introduced into the upper column 6 of the resin exchange, and (3) washing the resin exchange column upper column 6, wherein the washing drainage and the regeneration drainage discharged from the resin exchange column upper column 6 enter a drainage pipeline, and after the washing is finished, the resin exchange column upper column 6 is in a standby state.
When the resin exchange column needs to be maintained and cleaned and the unit is just started, or extreme conditions that the upper column 6 of the resin exchange column fails and the lower column 7 of the resin exchange column is not regenerated completely occur, a water sample enters the electrically regenerated ion exchanger 12 to be treated, the electrically regenerated ion exchanger 12 is relatively quick in stabilization time and suitable for monitoring the hydrogen conductivity of each water sample during the starting period of the unit, and in addition, the control system 13 detects whether the hydrogen conductivity in the drainage pipeline is qualified or not in real time through the hydrogen conductivity meter.
In addition, the acidity of the regeneration liquid at the outlet of the pipeline mixer 3 is detected by the acidity detector 4, the flow of the desalted water and the flow of the industrial hydrochloric acid are controlled according to the acidity of the regeneration liquid at the outlet of the pipeline mixer 3, so that the concentration of the regeneration liquid is 4% -6%, in addition, the on-off of the first three-way valve is controlled by the liquid level information detected by the lower liquid level detector 2 and the upper liquid level detector 5, the control of the liquid level of the regeneration liquid in the regeneration liquid preparation box 1 is realized, and the flow rate of the regeneration liquid output by the regeneration liquid preparation box 1 is 10L/h.
Claims (7)
1. A full-automatic hydrogen conductivity detection and diagnosis device is characterized by comprising a first three-way valve, a second three-way valve, a demineralized water pipeline, an industrial hydrochloric acid pipeline, a pipeline mixer (3), a regenerated liquid preparation box (1), a first four-way valve, a second four-way valve, an upper resin exchange column (6), a lower resin exchange column (7), a water sample input pipeline, an electric regeneration ion exchanger (12), a liquid drainage pipeline, a drainage pipeline and a control system (13);
three openings of a first three-way valve are respectively communicated with an outlet of a desalted water pipeline, an outlet of an industrial hydrochloric acid pipeline and an inlet of a pipeline mixer (3), an outlet of the pipeline mixer (3) is communicated with an inlet of a regenerated liquid preparation box (1), four openings of a first four-way valve are respectively communicated with an outlet of the regenerated liquid preparation box (1), an outlet of a flushing water pipeline, an inlet at the top of an upper column (6) of a resin exchange column and an inlet at the top of a lower column (7) of the resin exchange column, four openings of a second four-way valve are respectively communicated with an outlet of a water sample input pipeline, an inlet of an electrically regenerated ion exchanger (12), an inlet at the top of the upper column (6) of the resin exchange column and an inlet at the top of the lower column (7) of the resin exchange column, and three openings of a second three-way valve are respectively communicated with a regenerated liquid drainage and flushing outlet at the bottom of the upper column (6) of the resin exchange column, a regenerated liquid drainage and flushing liquid drainage outlet; four openings of the second four-way valve are respectively communicated with an outlet at the bottom of the electric regeneration ion exchanger (12), a water outlet at the bottom of the upper column (6) of the resin exchange column, a water outlet of the lower column (7) of the resin exchange column and an inlet of a water drainage pipeline, wherein the water drainage pipeline is communicated with a hydrogen conductivity meter for detecting the hydrogen conductivity of water in the water drainage pipeline, and the control system (13) is connected with the hydrogen conductivity meter, the first three-way valve, the second three-way valve, the first four-way valve and the second four-way valve.
2. The full-automatic hydrogen conductivity detection and diagnosis device according to claim 1, wherein the regeneration liquid preparation tank (1) is internally provided with a lower liquid level detector (2) and an upper liquid level detector (5), and the lower liquid level detector (2) and the upper liquid level detector (5) are connected with the control system (13).
3. The fully automatic hydrogen conductivity detection and diagnosis device according to claim 1, wherein an acidity detector (4) is provided at the outlet of the line mixer (3), the acidity detector (4) being connected to the control system (13).
4. The full-automatic hydrogen conductivity detection and diagnosis device according to claim 1, wherein an upper column regeneration end point detector (8) is provided on an upper side of the resin exchange column upper column (6), an upper column failure end point detector (9) is provided on a lower side of the resin exchange column upper column (6), and the upper column regeneration end point detector (8) and the upper column failure end point detector (9) are connected to the control system (13).
5. The full-automatic hydrogen conductivity detection and diagnosis device according to claim 1, wherein a lower column regeneration end point detector (10) is provided on an upper side of the resin exchange column lower column (7), a lower column failure end point detector (11) is provided on a lower side of the resin exchange column lower column (7), and the lower column regeneration end point detector (10) and the lower column failure end point detector (11) are connected to a control system (13).
6. The full-automatic hydrogen conductivity detection and diagnosis device according to claim 1, wherein a partition is provided between the resin exchange column lower column (7) and the resin exchange column upper column (6).
7. The automatic hydrogen conductivity detection and diagnosis device according to claim 1, wherein the lower column (7) and the upper column (6) are operated in a one-to-one manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110044988.1A CN112666227A (en) | 2021-01-13 | 2021-01-13 | Full-automatic hydrogen conductivity detection and diagnosis device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110044988.1A CN112666227A (en) | 2021-01-13 | 2021-01-13 | Full-automatic hydrogen conductivity detection and diagnosis device |
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| Publication Number | Publication Date |
|---|---|
| CN112666227A true CN112666227A (en) | 2021-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110044988.1A Pending CN112666227A (en) | 2021-01-13 | 2021-01-13 | Full-automatic hydrogen conductivity detection and diagnosis device |
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| CN (1) | CN112666227A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113552178A (en) * | 2021-05-27 | 2021-10-26 | 华电电力科学研究院有限公司 | Automatic continuous measurement method for hydrogen conductivity in steam-water sampling |
| CN116203089A (en) * | 2023-03-14 | 2023-06-02 | 华能灌云清洁能源发电有限责任公司 | Portable hydrogen detection guide device and use method |
-
2021
- 2021-01-13 CN CN202110044988.1A patent/CN112666227A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113552178A (en) * | 2021-05-27 | 2021-10-26 | 华电电力科学研究院有限公司 | Automatic continuous measurement method for hydrogen conductivity in steam-water sampling |
| CN113552178B (en) * | 2021-05-27 | 2023-08-04 | 华电电力科学研究院有限公司 | Automatic continuous measurement method for steam-water sampling hydrogen conductivity |
| CN116203089A (en) * | 2023-03-14 | 2023-06-02 | 华能灌云清洁能源发电有限责任公司 | Portable hydrogen detection guide device and use method |
| CN116203089B (en) * | 2023-03-14 | 2024-02-27 | 华能灌云清洁能源发电有限责任公司 | Portable hydrogen detection guide device and use method |
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